//
//  NSObject+RSCalculator.h
//  RSTools
//
//  Created by thinkjoy on 2017/10/20.
//  Copyright © 2017年 杜瑞胜. All rights reserved.
//
//  http://www.cocoachina.com/ios/20160225/15408.html
//  https://kangzubin.com/objective-c-chainable-syntax/

#import <Foundation/Foundation.h>
@class RSCalculator;

@interface NSObject(RSCalculator)

- (NSInteger)makeCaculators:(void(^)(RSCalculator *make))block;

@end


